About the Author

Robert M. Sapolsky is the author of several works of nonfiction, including A Primate’s Memoir, The Trouble with Testosterone, and Why Zebras Don’t Get Ulcers. His most recent book, Behave, was a New York Times bestseller and named a best book of the year by The Washington Post and The Wall Street Journal. He is a professor of biology and neurology at Stanford University and the recipient of a MacArthur Foundation “Genius Grant.” He and his wife live in San Francisco.